Securing dagtjerbotypes in mom ttmental stones



UNITED STATES PATENT oEEIoE.

soLoN JENKINS, JR., oE `wEsT CAMBRIDGE, MASSACHUSETTS SECURING `DAGrU'ERROTYPES IN MONUMENTAL STONES.`

Speccaton of Letters Patent No. 7,974, datedMarch 11, 1851.`

To all whom it may concern Be it known that I, SoLoN JENKINS, Jr., of Vest Cambridge, in the county otMiddlesex and State of Massachusetts, have invented a new and useful Improvement in Monumental Gravestonesyand Ido hereby declare that the following is a full and exact description thereof, reference being had to the annexed drawings, made part of this specication.

The nature of my invention consists in a peculiar mode of attaching, permanently and duralbly, a daguerreotype or photographic portrait to an ordinary monumental stone.

In the annexed drawing Figure (l) represents a front view of a stone with, a portrait secured therein; and Fig. (2) is a vertical transverse section showing the several plates employed in securing the portrait in itscombination with the stone.

rlhe daguerreotype plate B with the portrait `thereon being prepared in the usual manner, the face of the picture is overlaid with copal or other Varnish; and to the front of this plate is cemented with shellac a thin metallic border C, C, and to the front of this border is cemented a plate of glass D; and this combination of metal 'and glass plates is placed within the rabbet of a-frame or case E E (of metal or molded plaster).

Another plate of glass F is placed within the rabbet of a metallic case or Shield Gr Gr, and cemented thereto `with. shellac or other resinous matter;and upon this plate F is placed A the case E with its contents and over this is poured plaster cement, thusv filling up the space l; and over this plaster isfplaced aplate of copper H, the border of which is soldered to the rear edge ofthe flange of the shield G. .A cavity (A) is made in the frontof the stone, of convenient depth' and "size to receive the flange of the shield G Gr` s withfthe back plate H and a small quantity i of dilute mixedplaster` being poured into the cavity `(thestone being in a horizontal A inserted therein and pressed down till the front plate of the shield rests upon the face plates D and F, theplaster I and back plate H, the whole being arranged and combined substantially as herein set forth.

SOLON JENKINS, JR.

Vitnesses:

A. BAGLY, H. S. BUSH.

position) the` langewith its contents are 

